Scraper arm



FIG. 1 is a top right perspective view of the scraper arm;

FIG. 2 is a front view of the scraper arm, taken from the frame of reference of FIG. 1;

FIG. 3 is a rear view of the scraper arm, taken from the frame of reference of FIG. 1;

FIG. 4 is a right side view of the scraper arm, taken from the frame of reference of FIG. 1;

FIG. 5 is a left side view of the scraper arm, taken from the frame of reference of FIG. 1;

FIG. 6 is a top view of the scraper arm, taken from the frame of reference of FIG. 1;

FIG. 7 is a bottom view of the scraper arm, taken from the frame of reference of FIG. 1;

FIG. 8 is a bottom left perspective view of the scraper arm, taken from the frame of reference of FIG. 1;

FIG. 9 is another top right perspective view of the scraper arm;

FIG. 10 is a front view of the scraper arm, taken from the frame of reference of FIG. 9;

FIG. 11 is a rear view of the scraper arm, taken from the frame of reference of FIG. 9;

FIG. 12 is a right side view of the scraper arm, taken from the frame of reference of FIG. 9;

FIG. 13 is a left side view of the scraper arm, taken from the frame of reference of FIG. 9;

FIG. 14 is a top view of the scraper arm, taken from the frame of reference of FIG. 9;

FIG. 15 is a bottom view of the scraper arm, taken from the frame of reference of FIG. 9; and,

FIG. 16. is a bottom left perspective view of the scraper arm, taken from the frame of reference of FIG. 9.

The broken lines are included for the purpose of illustrating unclaimed portions of the scraper arm and form no part of the claimed design. 

CLAIM The ornamental design for a scraper arm, as shown and described. 